#!/bin/sh

DOCKER_DIR="/lvm1/docker"
CONTAINER_NAME="adguardhome"
CONTAINER_DIR="$DOCKER_DIR/$CONTAINER_NAME"
SAVE_PATH="/media/backup/backup_docker/$CONTAINER_NAME/files"
NOW_DATETIME="$(date +'%Y%m%d_%H%M%S')"
BACKUP_FILENAME="backup_${CONTAINER_NAME}_$NOW_DATETIME.tar"
BACKUP_FILE_PATH="$SAVE_PATH/$BACKUP_FILENAME"
BACKUP_CMD="sudo tar cvf $BACKUP_FILENAME $CONTAINER_NAME"

echo "DOCKER_DIR:       $DOCKER_DIR"
echo "CONTAINER_DIR:    $CONTAINER_DIR"
echo "SAVE_PATH:        $SAVE_PATH"
echo "NOW_DATETIME:     $NOW_DATETIME"
echo "BACKUP_FILENAME:  $BACKUP_FILENAME"
echo "BACKUP_FILE_PATH: $BACKUP_FILE_PATH"
echo "BACKUP_CMD:       $BACKUP_CMD"
echo "$(date +'%F %R:%S'): Backup start. BACKUP_CMD = $BACKUP_CMD"

mkdir -p $SAVE_PATH
sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml down
cd $DOCKER_DIR
$BACKUP_CMD
sudo docker compose -f ${CONTAINER_DIR}/docker-compose.yml up -d

## Move BACKUP_FILENAME to BACKUP_FILE_PATH
echo "rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH"
rsync -ah --progress $BACKUP_FILENAME $SAVE_PATH

## Delete local backup file
echo "rm $BACKUP_FILENAME"
rm -f $BACKUP_FILENAME

echo "$(date +'%F %R:%S'): Backup finished."